Loving the life you lead -- In the garden of pleasures, with Aristotle and Epicurus -- Giving meaning to life -- Voltaire and the happy idiot -- Does every human being wish to be happy? -- Happiness is not of this world: Socrates, Jesus, Kant -- On the art of being oneself -- Schopenhauer: happiness lies in our sensibility -- Does money make us happy? -- The emotional brain -- On the art of being attentive ... and dreaming -- We are what we think -- The time of a life -- Can we be happy without other people? -- The contagiousness of happiness -- Individual happiness and collective happiness -- Can the quest for happiness make us unhappy? -- From desire to boredom: when happiness is impossible -- The smile of the Buddha and Epictetus -- The laughter of Montaigne and Chuang Tzu -- The joy of Spinoza and Ma Anandamayi -- Interview.